The effects of a glucocorticoid-antagonist, mifepristone on the suppressive action of prednisolone for anti-Candida activity of murine neutrophils were examined. Prednisolone suppressed inhibitory activity of neutrophils to mycelial growth of Candida albicans. This suppression was cancelled in the presence of 10(-7)-10(-6) M of mifepristone in vitro. Corresponding to this in vitro action, mifepristone protected prednisolone-treated mice from lethal C. albicans infection in vivo. These results suggest that glucocorticoid-induced vulnerability to Candida infection may be recovered or normalized by application of mifepristone.
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Abe et al. (1996) studied this question.
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